c-- ccc ccd cco cct ccu ccw cdc cdd cdo cdt cdu cdw co- coc cod coo cot cou cow ctc ctd cto ctt ctu ctw cuc cud cuo cut cuu cuw cw- cwc cwd cwo cwt cwu dcc dcd dco dct dcu dcw ddc ddd ddo ddt ddu ddw doc dod doo dot dou dow dtc dtd dto dtt dtu dtw duc dud duo dut dwc dwo dwt dwu dww oc- occ ocd oco oct ocu ocw odc odd odo odt odu oo- ooc ood ooo oot oow ot- otc otd oto ott otu otw ou- ouc oud ouo out owc owd owo owt owu oww tcc tcd tco tct tcu tcw tdc tdd tdo tdt tdu tdw to- toc tod too tot tou tow ttc ttd tto ttt ttu ttw tuc tud tuo tut tuu twc twd two twt twu tww ucc ucd uco uct ucu ucw udc udd udo udt udu uoc uod uoo uot uow utc utd uto utt utu uuc uut uuu uwc uww wcc wcd wco wct wcu wcw wdc wdt wdu woc wod woo wot wou wow wtc wtd wto wtt wtu wtw wuc wud wuo wut wwc wwd wwo wwt wwu www